Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Petro Nicolis0
Ulrich Lersch0
Date of Patent
September 5, 2006
Patent Application Number
10476091
Date Filed
April 24, 2002
Patent Primary Examiner
Patent abstract
A respiratory filter includes an air-permeable sleeve and at least one filter layer that is arranged in the sleeve and contains activated carbon. The activated carbon contained in the filter layers serves as a gas filter that, by absorption, at least partially removes the noxious gases that are contained in the air inhaled.
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